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<div class="header">
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<div class="title">utlist.h</div>  </div>
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<div class="contents">
<a href="utlist_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">Copyright (c) 2007-2010, Troy D. Hanson   http://uthash.sourceforge.net</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">    * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">      notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#ifndef _DTLS_UTLIST_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _DTLS_UTLIST_H</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="utlist_8h.html#a9f3779f3c49ddf609c97f1c3d1f29730">   27</a></span>&#160;<span class="preprocessor">#define UTLIST_VERSION 1.9.1</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">/* </span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * This file contains macros to manipulate singly and doubly-linked lists.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * 1. LL_ macros:  singly-linked lists.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * 2. DL_ macros:  doubly-linked lists.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * 3. CDL_ macros: circular doubly-linked lists.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * To use singly-linked lists, your structure must have a &quot;next&quot; pointer.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * To use doubly-linked lists, your structure must &quot;prev&quot; and &quot;next&quot; pointers.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * Either way, the pointer to the head of the list must be initialized to NULL.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * ----------------.EXAMPLE -------------------------</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> * struct item {</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> *      int id;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"> *      struct item *prev, *next;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"> * }</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"> * struct item *list = NULL:</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"> * int main() {</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment"> *      struct item *item;</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment"> *      ... allocate and populate item ...</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"> *      DL_APPEND(list, item);</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"> * }</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment"> * --------------------------------------------------</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> * For doubly-linked lists, the append and delete macros are O(1)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment"> * For singly-linked lists, append and delete are O(n) but prepend is O(1)</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"> * The sort macro is O(n log(n)) for all types of single/double/circular lists.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">/* These macros use decltype or the earlier __typeof GNU extension.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">   As decltype is only available in newer compilers (VS2010 or gcc 4.3+</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">   when compiling c++ code), this code uses whatever method is needed</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">   or, for VS2008 where neither is available, uses casting workarounds. */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#ifdef _MSC_VER            </span><span class="comment">/* MS compiler */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#if _MSC_VER &gt;= 1600 &amp;&amp; __cplusplus  </span><span class="comment">/* VS2010 and newer in C++ mode */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LDECLTYPE(x) decltype(x)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else                     </span><span class="comment">/* VS2008 or older (or VS2010 in C mode) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define NO_DECLTYPE</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LDECLTYPE(x) char*</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else                      </span><span class="comment">/* GNU, Sun and other compilers */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="utlist_8h.html#ae8c9864192170d02fd996abaa1589611">   72</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LDECLTYPE(x) __typeof(x)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">/* for VS2008 we use some workarounds to get around the lack of decltype,</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"> * namely, we always reassign our tmp variable to the list head if we need</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment"> * to dereference its prev/next pointers, and save/restore the real head.*/</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">#ifdef NO_DECLTYPE</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _SV(elt,list) _tmp = (char*)(list); {char **_alias = (char**)&amp;(list); *_alias = (elt); }</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _NEXT(elt,list) ((char*)((list)-&gt;next))</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _NEXTASGN(elt,list,to) { char **_alias = (char**)&amp;((list)-&gt;next); *_alias=(char*)(to); }</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _PREV(elt,list) ((char*)((list)-&gt;prev))</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _PREVASGN(elt,list,to) { char **_alias = (char**)&amp;((list)-&gt;prev); *_alias=(char*)(to); }</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _RS(list) { char **_alias = (char**)&amp;(list); *_alias=_tmp; }</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _CASTASGN(a,b) { char **_alias = (char**)&amp;(a); *_alias=(char*)(b); }</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else </span></div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="utlist_8h.html#a9eded80a8b98df631e889eb72b77c7a4">   87</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _SV(elt,list)</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="utlist_8h.html#aec696573e92f2ebd0a1641d77bb5b0fe">   88</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _NEXT(elt,list) ((elt)-&gt;next)</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="utlist_8h.html#a93e2d161c8ad8350100a4fad092ef058">   89</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _NEXTASGN(elt,list,to) ((elt)-&gt;next)=(to)</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="utlist_8h.html#ade8452ec59d6bf7ef23770ee4d96f8d5">   90</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _PREV(elt,list) ((elt)-&gt;prev)</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="utlist_8h.html#a6f6acf0ac7f07dcb26cef2110fef496a">   91</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _PREVASGN(elt,list,to) ((elt)-&gt;prev)=(to)</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="utlist_8h.html#a9916f2c26fd7f6f7edb1f6baf400f315">   92</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _RS(list)</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="utlist_8h.html#a1eb4a3192390405087ef1bb6c57241e3">   93</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _CASTASGN(a,b) (a)=(b)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"> * The sort macro is an adaptation of Simon Tatham&#39;s O(n log(n)) mergesort    *</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"> * Unwieldy variable names used here to avoid shadowing passed-in variables.  *</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="utlist_8h.html#a0b2137d4a0c157cb7a1a30d9340ece31">  100</a></span>&#160;<span class="preprocessor">#define LL_SORT(list, cmp)                                                                     \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_p;                                                                       \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_q;                                                                       \</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_e;                                                                       \</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_tail;                                                                    \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_oldhead;                                                                 \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _tmp;                                                                        \</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">  int _ls_insize, _ls_nmerges, _ls_psize, _ls_qsize, _ls_i, _ls_looping;                       \</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">  if (list) {                                                                                  \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">    _ls_insize = 1;                                                                            \</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">    _ls_looping = 1;                                                                           \</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor">    while (_ls_looping) {                                                                      \</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_p,list);                                                                   \</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_oldhead,list);                                                             \</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">      list = NULL;                                                                             \</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">      _ls_tail = NULL;                                                                         \</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">      _ls_nmerges = 0;                                                                         \</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">      while (_ls_p) {                                                                          \</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">        _ls_nmerges++;                                                                         \</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">        _ls_q = _ls_p;                                                                         \</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">        _ls_psize = 0;                                                                         \</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">        for (_ls_i = 0; _ls_i &lt; _ls_insize; _ls_i++) {                                         \</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor">          _ls_psize++;                                                                         \</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">          _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list);                               \</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="preprocessor">          if (!_ls_q) break;                                                                   \</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">        _ls_qsize = _ls_insize;                                                                \</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="preprocessor">        while (_ls_psize &gt; 0 || (_ls_qsize &gt; 0 &amp;&amp; _ls_q)) {                                    \</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="preprocessor">          if (_ls_psize == 0) {                                                                \</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="preprocessor">          } else if (_ls_qsize == 0 || !_ls_q) {                                               \</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor">          } else if (cmp(_ls_p,_ls_q) &lt;= 0) {                                                  \</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="preprocessor">          if (_ls_tail) {                                                                      \</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">            _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,_ls_e); _RS(list);                     \</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="preprocessor">            _CASTASGN(list,_ls_e);                                                             \</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="preprocessor">          _ls_tail = _ls_e;                                                                    \</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="preprocessor">        _ls_p = _ls_q;                                                                         \</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="preprocessor">      _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,NULL); _RS(list);                            \</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="preprocessor">      if (_ls_nmerges &lt;= 1) {                                                                  \</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">        _ls_looping=0;                                                                         \</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="preprocessor">      _ls_insize *= 2;                                                                         \</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">  } else _tmp=NULL; </span><span class="comment">/* quiet gcc unused variable warning */</span><span class="preprocessor">                                    \</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="utlist_8h.html#ad966f284f615a2ced4028258fa08f8f3">  156</a></span>&#160;<span class="preprocessor">#define DL_SORT(list, cmp)                                                                     \</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_p;                                                                       \</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_q;                                                                       \</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_e;                                                                       \</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_tail;                                                                    \</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_oldhead;                                                                 \</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _tmp;                                                                        \</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="preprocessor">  int _ls_insize, _ls_nmerges, _ls_psize, _ls_qsize, _ls_i, _ls_looping;                       \</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="preprocessor">  if (list) {                                                                                  \</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="preprocessor">    _ls_insize = 1;                                                                            \</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="preprocessor">    _ls_looping = 1;                                                                           \</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">    while (_ls_looping) {                                                                      \</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_p,list);                                                                   \</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_oldhead,list);                                                             \</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">      list = NULL;                                                                             \</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">      _ls_tail = NULL;                                                                         \</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor">      _ls_nmerges = 0;                                                                         \</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">      while (_ls_p) {                                                                          \</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">        _ls_nmerges++;                                                                         \</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="preprocessor">        _ls_q = _ls_p;                                                                         \</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="preprocessor">        _ls_psize = 0;                                                                         \</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">        for (_ls_i = 0; _ls_i &lt; _ls_insize; _ls_i++) {                                         \</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="preprocessor">          _ls_psize++;                                                                         \</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="preprocessor">          _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list);                               \</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="preprocessor">          if (!_ls_q) break;                                                                   \</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="preprocessor">        _ls_qsize = _ls_insize;                                                                \</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="preprocessor">        while (_ls_psize &gt; 0 || (_ls_qsize &gt; 0 &amp;&amp; _ls_q)) {                                    \</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="preprocessor">          if (_ls_psize == 0) {                                                                \</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="preprocessor">          } else if (_ls_qsize == 0 || !_ls_q) {                                               \</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor">          } else if (cmp(_ls_p,_ls_q) &lt;= 0) {                                                  \</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="preprocessor">          if (_ls_tail) {                                                                      \</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor">            _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,_ls_e); _RS(list);                     \</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="preprocessor">            _CASTASGN(list,_ls_e);                                                             \</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="preprocessor">          _SV(_ls_e,list); _PREVASGN(_ls_e,list,_ls_tail); _RS(list);                          \</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="preprocessor">          _ls_tail = _ls_e;                                                                    \</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="preprocessor">        _ls_p = _ls_q;                                                                         \</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor">      _CASTASGN(list-&gt;prev, _ls_tail);                                                         \</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="preprocessor">      _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,NULL); _RS(list);                            \</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="preprocessor">      if (_ls_nmerges &lt;= 1) {                                                                  \</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="preprocessor">        _ls_looping=0;                                                                         \</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="preprocessor">      _ls_insize *= 2;                                                                         \</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="preprocessor">  } else _tmp=NULL; </span><span class="comment">/* quiet gcc unused variable warning */</span><span class="preprocessor">                                    \</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="utlist_8h.html#a13add78e5524efe1ae6bfb1631b2dc17">  214</a></span>&#160;<span class="preprocessor">#define CDL_SORT(list, cmp)                                                                    \</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_p;                                                                       \</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_q;                                                                       \</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_e;                                                                       \</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_tail;                                                                    \</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _ls_oldhead;                                                                 \</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _tmp;                                                                        \</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="preprocessor">  LDECLTYPE(list) _tmp2;                                                                       \</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="preprocessor">  int _ls_insize, _ls_nmerges, _ls_psize, _ls_qsize, _ls_i, _ls_looping;                       \</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="preprocessor">  if (list) {                                                                                  \</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="preprocessor">    _ls_insize = 1;                                                                            \</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="preprocessor">    _ls_looping = 1;                                                                           \</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="preprocessor">    while (_ls_looping) {                                                                      \</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_p,list);                                                                   \</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="preprocessor">      _CASTASGN(_ls_oldhead,list);                                                             \</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="preprocessor">      list = NULL;                                                                             \</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="preprocessor">      _ls_tail = NULL;                                                                         \</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="preprocessor">      _ls_nmerges = 0;                                                                         \</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="preprocessor">      while (_ls_p) {                                                                          \</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="preprocessor">        _ls_nmerges++;                                                                         \</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="preprocessor">        _ls_q = _ls_p;                                                                         \</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="preprocessor">        _ls_psize = 0;                                                                         \</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="preprocessor">        for (_ls_i = 0; _ls_i &lt; _ls_insize; _ls_i++) {                                         \</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="preprocessor">          _ls_psize++;                                                                         \</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="preprocessor">          _SV(_ls_q,list);                                                                     \</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="preprocessor">          if (_NEXT(_ls_q,list) == _ls_oldhead) {                                              \</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="preprocessor">            _ls_q = NULL;                                                                      \</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="preprocessor">            _ls_q = _NEXT(_ls_q,list);                                                         \</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="preprocessor">          _RS(list);                                                                           \</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="preprocessor">          if (!_ls_q) break;                                                                   \</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="preprocessor">        _ls_qsize = _ls_insize;                                                                \</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="preprocessor">        while (_ls_psize &gt; 0 || (_ls_qsize &gt; 0 &amp;&amp; _ls_q)) {                                    \</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="preprocessor">          if (_ls_psize == 0) {                                                                \</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">            if (_ls_q == _ls_oldhead) { _ls_q = NULL; }                                        \</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="preprocessor">          } else if (_ls_qsize == 0 || !_ls_q) {                                               \</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="preprocessor">            if (_ls_p == _ls_oldhead) { _ls_p = NULL; }                                        \</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor">          } else if (cmp(_ls_p,_ls_q) &lt;= 0) {                                                  \</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor">            _ls_e = _ls_p; _SV(_ls_p,list); _ls_p = _NEXT(_ls_p,list); _RS(list); _ls_psize--; \</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="preprocessor">            if (_ls_p == _ls_oldhead) { _ls_p = NULL; }                                        \</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">            _ls_e = _ls_q; _SV(_ls_q,list); _ls_q = _NEXT(_ls_q,list); _RS(list); _ls_qsize--; \</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor">            if (_ls_q == _ls_oldhead) { _ls_q = NULL; }                                        \</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">          if (_ls_tail) {                                                                      \</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="preprocessor">            _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,_ls_e); _RS(list);                     \</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor">          } else {                                                                             \</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="preprocessor">            _CASTASGN(list,_ls_e);                                                             \</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">          }                                                                                    \</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="preprocessor">          _SV(_ls_e,list); _PREVASGN(_ls_e,list,_ls_tail); _RS(list);                          \</span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="preprocessor">          _ls_tail = _ls_e;                                                                    \</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="preprocessor">        }                                                                                      \</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor">        _ls_p = _ls_q;                                                                         \</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="preprocessor">      _CASTASGN(list-&gt;prev,_ls_tail);                                                          \</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="preprocessor">      _CASTASGN(_tmp2,list);                                                                   \</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="preprocessor">      _SV(_ls_tail,list); _NEXTASGN(_ls_tail,list,_tmp2); _RS(list);                           \</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="preprocessor">      if (_ls_nmerges &lt;= 1) {                                                                  \</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="preprocessor">        _ls_looping=0;                                                                         \</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="preprocessor">      _ls_insize *= 2;                                                                         \</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="preprocessor">  } else _tmp=NULL; </span><span class="comment">/* quiet gcc unused variable warning */</span><span class="preprocessor">                                    \</span></div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="comment"> * singly linked list macros (non-circular)                                   *</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="utlist_8h.html#a851fb4b583b0dc000097eeee6dd551d4">  287</a></span>&#160;<span class="preprocessor">#define LL_PREPEND(head,add)                                                                   \</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="preprocessor">  (add)-&gt;next = head;                                                                          \</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor">  head = add;                                                                                  \</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00293"></a><span class="lineno"><a class="line" href="utlist_8h.html#ace33c571c3df78e721a99a4494983855">  293</a></span>&#160;<span class="preprocessor">#define LL_APPEND(head,add)                                                                    \</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="preprocessor">  LDECLTYPE(head) _tmp;                                                                        \</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor">  (add)-&gt;next=NULL;                                                                            \</span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor">  if (head) {                                                                                  \</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="preprocessor">    _tmp = head;                                                                               \</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="preprocessor">    while (_tmp-&gt;next) { _tmp = _tmp-&gt;next; }                                                  \</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="preprocessor">    _tmp-&gt;next=(add);                                                                          \</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="preprocessor">    (head)=(add);                                                                              \</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="utlist_8h.html#a34a4e54d488753465f6e87bb63b93c0e">  306</a></span>&#160;<span class="preprocessor">#define LL_DELETE(head,del)                                                                    \</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="preprocessor">  LDECLTYPE(head) _tmp;                                                                        \</span></div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="preprocessor">  if ((head) == (del)) {                                                                       \</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="preprocessor">    (head)=(head)-&gt;next;                                                                       \</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="preprocessor">    _tmp = head;                                                                               \</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor">    while (_tmp-&gt;next &amp;&amp; (_tmp-&gt;next != (del))) {                                              \</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor">      _tmp = _tmp-&gt;next;                                                                       \</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="preprocessor">    if (_tmp-&gt;next) {                                                                          \</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="preprocessor">      _tmp-&gt;next = ((del)-&gt;next);                                                              \</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment">/* Here are VS2008 replacements for LL_APPEND and LL_DELETE */</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="utlist_8h.html#a3c301ddde2cfd8c32df4137c902b66f3">  323</a></span>&#160;<span class="preprocessor">#define LL_APPEND_VS2008(head,add)                                                             \</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="preprocessor">  if (head) {                                                                                  \</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="preprocessor">    (add)-&gt;next = head;     </span><span class="comment">/* use add-&gt;next as a temp variable */</span><span class="preprocessor">                             \</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="preprocessor">    while ((add)-&gt;next-&gt;next) { (add)-&gt;next = (add)-&gt;next-&gt;next; }                             \</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor">    (add)-&gt;next-&gt;next=(add);                                                                   \</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="preprocessor">    (head)=(add);                                                                              \</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor">  (add)-&gt;next=NULL;                                                                            \</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="utlist_8h.html#a832d4d46464fb2dada9e198ad4f70cdf">  335</a></span>&#160;<span class="preprocessor">#define LL_DELETE_VS2008(head,del)                                                             \</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="preprocessor">  if ((head) == (del)) {                                                                       \</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="preprocessor">    (head)=(head)-&gt;next;                                                                       \</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="preprocessor">    char *_tmp = (char*)(head);                                                                \</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="preprocessor">    while (head-&gt;next &amp;&amp; (head-&gt;next != (del))) {                                              \</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;<span class="preprocessor">      head = head-&gt;next;                                                                       \</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;<span class="preprocessor">    if (head-&gt;next) {                                                                          \</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="preprocessor">      head-&gt;next = ((del)-&gt;next);                                                              \</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="preprocessor">    {                                                                                          \</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="preprocessor">      char **_head_alias = (char**)&amp;(head);                                                    \</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;<span class="preprocessor">      *_head_alias = _tmp;                                                                     \</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#ifdef NO_DECLTYPE</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#undef LL_APPEND</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LL_APPEND LL_APPEND_VS2008</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#undef LL_DELETE</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define LL_DELETE LL_DELETE_VS2008</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="preprocessor"></span><span class="comment">/* end VS2008 replacements */</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;</div>
<div class="line"><a name="l00361"></a><span class="lineno"><a class="line" href="utlist_8h.html#a487c0ce49f397e1743caae16a797e4bb">  361</a></span>&#160;<span class="preprocessor">#define LL_FOREACH(head,el)                                                                    \</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="preprocessor">    for(el=head;el;el=el-&gt;next)</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00364"></a><span class="lineno"><a class="line" href="utlist_8h.html#ad0a695664d31f0b929fd50b39ebcf0ef">  364</a></span>&#160;<span class="preprocessor">#define LL_FOREACH_SAFE(head,el,tmp)                                                           \</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="preprocessor">  for((el)=(head);(el) &amp;&amp; (tmp = (el)-&gt;next, 1); (el) = tmp)</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00367"></a><span class="lineno"><a class="line" href="utlist_8h.html#a8c5c97079c5b259e4c0ff7c563b0f8ed">  367</a></span>&#160;<span class="preprocessor">#define LL_SEARCH_SCALAR(head,out,field,val)                                                   \</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="preprocessor">    LL_FOREACH(head,out) {                                                                     \</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="preprocessor">      if ((out)-&gt;field == (val)) break;                                                        \</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="preprocessor">} while(0) </span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00374"></a><span class="lineno"><a class="line" href="utlist_8h.html#af7a5ae66c9386c4b89403d9ca038adcb">  374</a></span>&#160;<span class="preprocessor">#define LL_SEARCH(head,out,elt,cmp)                                                            \</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="preprocessor">    LL_FOREACH(head,out) {                                                                     \</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="preprocessor">      if ((cmp(out,elt))==0) break;                                                            \</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;<span class="preprocessor">} while(0) </span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment"> * doubly linked list macros (non-circular)                                   *</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="utlist_8h.html#a78be4dea3344ba1b1c7fe1b893c0fdfa">  384</a></span>&#160;<span class="preprocessor">#define DL_PREPEND(head,add)                                                                   \</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="preprocessor"> (add)-&gt;next = head;                                                                           \</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="preprocessor"> if (head) {                                                                                   \</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="preprocessor">   (add)-&gt;prev = (head)-&gt;prev;                                                                 \</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="preprocessor">   (head)-&gt;prev = (add);                                                                       \</span></div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="preprocessor"> } else {                                                                                      \</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="preprocessor">   (add)-&gt;prev = (add);                                                                        \</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="preprocessor"> }                                                                                             \</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor"> (head) = (add);                                                                               \</span></div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00396"></a><span class="lineno"><a class="line" href="utlist_8h.html#a17d40c945e1dc55490feb2fe160670c8">  396</a></span>&#160;<span class="preprocessor">#define DL_APPEND(head,add)                                                                    \</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor">  if (head) {                                                                                  \</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="preprocessor">      (add)-&gt;prev = (head)-&gt;prev;                                                              \</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="preprocessor">      (head)-&gt;prev-&gt;next = (add);                                                              \</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="preprocessor">      (head)-&gt;prev = (add);                                                                    \</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="preprocessor">      (add)-&gt;next = NULL;                                                                      \</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="preprocessor">      (head)=(add);                                                                            \</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="preprocessor">      (head)-&gt;prev = (head);                                                                   \</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="preprocessor">      (head)-&gt;next = NULL;                                                                     \</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="preprocessor">} while (0);</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00410"></a><span class="lineno"><a class="line" href="utlist_8h.html#aad429903354ffe8cdf4ca2e9d0ae89cc">  410</a></span>&#160;<span class="preprocessor">#define DL_DELETE(head,del)                                                                    \</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="preprocessor">  if ((del)-&gt;prev == (del)) {                                                                  \</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="preprocessor">      (head)=NULL;                                                                             \</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="preprocessor">  } else if ((del)==(head)) {                                                                  \</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="preprocessor">      (del)-&gt;next-&gt;prev = (del)-&gt;prev;                                                         \</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="preprocessor">      (head) = (del)-&gt;next;                                                                    \</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="preprocessor">      (del)-&gt;prev-&gt;next = (del)-&gt;next;                                                         \</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="preprocessor">      if ((del)-&gt;next) {                                                                       \</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="preprocessor">          (del)-&gt;next-&gt;prev = (del)-&gt;prev;                                                     \</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="preprocessor">      } else {                                                                                 \</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="preprocessor">          (head)-&gt;prev = (del)-&gt;prev;                                                          \</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="preprocessor">      }                                                                                        \</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="preprocessor">} while (0);</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;</div>
<div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="utlist_8h.html#abb0c2851c5f0567be7b8827ce5168ef7">  428</a></span>&#160;<span class="preprocessor">#define DL_FOREACH(head,el)                                                                    \</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="preprocessor">    for(el=head;el;el=el-&gt;next)</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment">/* this version is safe for deleting the elements during iteration */</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="utlist_8h.html#a3bb0c84a69846d2f019a97ea0b4709aa">  432</a></span>&#160;<span class="preprocessor">#define DL_FOREACH_SAFE(head,el,tmp)                                                           \</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="preprocessor">  for((el)=(head);(el) &amp;&amp; (tmp = (el)-&gt;next, 1); (el) = tmp)</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment">/* these are identical to their singly-linked list counterparts */</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"><a class="line" href="utlist_8h.html#a172fce2d647fdedadf0f8080e0441c5b">  436</a></span>&#160;<span class="preprocessor">#define DL_SEARCH_SCALAR LL_SEARCH_SCALAR</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="utlist_8h.html#a819373d14278b52c313b743acc292ba0">  437</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define DL_SEARCH LL_SEARCH</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;<span class="comment"> * circular doubly linked list macros                                         *</span></div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"><a class="line" href="utlist_8h.html#a6c6a7232d281eab4b18563b92e5653bd">  442</a></span>&#160;<span class="preprocessor">#define CDL_PREPEND(head,add)                                                                  \</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="preprocessor"> if (head) {                                                                                   \</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="preprocessor">   (add)-&gt;prev = (head)-&gt;prev;                                                                 \</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="preprocessor">   (add)-&gt;next = (head);                                                                       \</span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="preprocessor">   (head)-&gt;prev = (add);                                                                       \</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="preprocessor">   (add)-&gt;prev-&gt;next = (add);                                                                  \</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="preprocessor"> } else {                                                                                      \</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="preprocessor">   (add)-&gt;prev = (add);                                                                        \</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="preprocessor">   (add)-&gt;next = (add);                                                                        \</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="preprocessor"> }                                                                                             \</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor">(head)=(add);                                                                                  \</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00456"></a><span class="lineno"><a class="line" href="utlist_8h.html#a60fd7696c4d0865f53a07579a7b08235">  456</a></span>&#160;<span class="preprocessor">#define CDL_DELETE(head,del)                                                                   \</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="preprocessor">  if ( ((head)==(del)) &amp;&amp; ((head)-&gt;next == (head))) {                                          \</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="preprocessor">      (head) = 0L;                                                                             \</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="preprocessor">  } else {                                                                                     \</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="preprocessor">     (del)-&gt;next-&gt;prev = (del)-&gt;prev;                                                          \</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="preprocessor">     (del)-&gt;prev-&gt;next = (del)-&gt;next;                                                          \</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;<span class="preprocessor">     if ((del) == (head)) (head)=(del)-&gt;next;                                                  \</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="preprocessor">  }                                                                                            \</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="preprocessor">} while (0);</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00467"></a><span class="lineno"><a class="line" href="utlist_8h.html#a795df7857792d7e811709a060c911a36">  467</a></span>&#160;<span class="preprocessor">#define CDL_FOREACH(head,el)                                                                   \</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="preprocessor">    for(el=head;el;el=(el-&gt;next==head ? 0L : el-&gt;next)) </span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00470"></a><span class="lineno"><a class="line" href="utlist_8h.html#abdb80106f7733e37fbe4f62e9d97ccfd">  470</a></span>&#160;<span class="preprocessor">#define CDL_FOREACH_SAFE(head,el,tmp1,tmp2)                                                    \</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;<span class="preprocessor">  for((el)=(head), ((tmp1)=(head)?((head)-&gt;prev):NULL);                                        \</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="preprocessor">      (el) &amp;&amp; ((tmp2)=(el)-&gt;next, 1);                                                          \</span></div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;<span class="preprocessor">      ((el) = (((el)==(tmp1)) ? 0L : (tmp2))))</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00475"></a><span class="lineno"><a class="line" href="utlist_8h.html#ad064cddb894b478b3c3cd23719f58651">  475</a></span>&#160;<span class="preprocessor">#define CDL_SEARCH_SCALAR(head,out,field,val)                                                  \</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="preprocessor">    CDL_FOREACH(head,out) {                                                                    \</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="preprocessor">      if ((out)-&gt;field == (val)) break;                                                        \</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="preprocessor">} while(0) </span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00482"></a><span class="lineno"><a class="line" href="utlist_8h.html#afb329a0bdf1fa0b644317e9d84082e1e">  482</a></span>&#160;<span class="preprocessor">#define CDL_SEARCH(head,out,elt,cmp)                                                           \</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="preprocessor">do {                                                                                           \</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="preprocessor">    CDL_FOREACH(head,out) {                                                                    \</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;<span class="preprocessor">      if ((cmp(out,elt))==0) break;                                                            \</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="preprocessor">    }                                                                                          \</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;<span class="preprocessor">} while(0) </span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* _DTLS_UTLIST_H */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="preprocessor"></span></div>
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